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Conservation of Mass

Mass is always conserved in chemical reactions.

mass of the reactants = mass of the products

Why might a mass change in a reaction if this is the case?

  1. Mass increase

  • One of the reactants is a gas found in the air

  1. Mass decrease

  • The reactants make a gas, which ends up escaping

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Conservation of Mass

Mass is always conserved in chemical reactions.

mass of the reactants = mass of the products

Why might a mass change in a reaction if this is the case?

  1. Mass increase

  • One of the reactants is a gas found in the air

  1. Mass decrease

  • The reactants make a gas, which ends up escaping

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